Saturday, May 23, 2009

Adventurous Racing

Ice racing is a form of motor racing. It utilizes cars, motorcycles, snowmobiles, All-terrain vehicles, or other motorized vehicles. Ice racing takes place on frozen lakes or rivers, or on carefully groomed frozen lots. As cold weather is a requirement for natural ice, it is usually found at higher latitudes in Canada, the northern United States, and in northern Europe, although limited indoor events are held in warmer climates, typically on ice hockey rinks ( motorcycles and ATVs only ).

Tracks in North America vary widely, from 1/4 mile (~400 m) long ovals to several mile-long road course designs.Ice racing includes a motorcycle class which is the equivalent of Speedway on ice. Bikes race anti-clockwise around oval tracks between 260 m (0.16 mi) and 425 m (0.264 mi) in length. The race structure and scoring is similar to Speedway.

The bikes bear a passing resemblance to those used for speedway, but have a longer wheelbase and a more rigid frame. The sport is divided into classes for full-rubber and studded tires. The studded tire category involves competitors riding on bikes with spikes up to 30 millimetres (1.2 in) in length screwed into each tread-less tyre, each bike has 90 spikes on the front tyre and 200-500 on the rearIn motor sport, road racing is racing held on public roads, as opposed to at a race track or off-road racing. Different types of event exist, in both automobile racing and motorcycle racing.A small portion of these automobile race tracks are called temporary street courses.

Road racing can be of two types: in the first, car or motorcycle races are run on specially built, closed circuit courses; in the second, public roads are temporarily closed off for the purpose of conducting a race. Notable examples of this include the Monaco Grand Prix which is conducted on the city streets of the small principality, the Mille Milieu, the Teargas Florio, and the Isle of Man. The Tourist Trophy, probably the most famous motorcycle race of its type, takes place over the Snaefell Mountain Course, as well as the North West 200 in Ireland. Also the Ulster Grand Prix and at a dozen pure "closed road" circuits unique to Ireland.[(MCUI)]Of the former, closed circuit type, purpose-built race tracks are used that, due to their irregular shapes and many turns and curves, resemble true road courses.

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